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  • 1
    Electronic Resource
    Electronic Resource
    Colonization of fiberglass insulation used in heating, ventilation and air conditioning systems (1994)
    Springer
    Journal of industrial microbiology and biotechnology 13 (1994), S. 154-158 
    Details
    ISSN: 1476-5535
    Keywords: HVAC systems ; Fungal colonization ; Fungi on fiberglass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The number of fungal species colonizing thermal and acoustic fiberglass insulations used in heating, ventilation, and air conditioning (HVAC) systems was fewer than that obtained from initial direct culture of these insulations. The colonization, determined by the microscopic observation of conidiophores with conidia, was primarily of acrylic-latex-facing material, but eventually the fungi permeated the fiberglass matrix. Isolates ofAspergillus versicolor were most often obtained from non-challenged insulation, whereasAcremonium obclavatum appeared to be the primary colonizing fungus in high-humidity (〉90%) challenge chambers. At a lower humidity (about 70%)Aspergillus flavus was one of the more prominent fungi. Not all duct liner samples were equally susceptible to colonization and duct board appeared relatively resistant to colonization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01584000
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Fungal colonization of fiberglass insulation in the air distribution system of a multi-story office building: VOC production and possible relationship to a sick building syndrome (1996)
    Springer
    Journal of industrial microbiology and biotechnology 16 (1996), S. 280-285 
    Details
    ISSN: 1476-5535
    Keywords: fungal colonization ; fiberglass insulation ; Penicillium spp ; Cladosporium spp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Complaints characteristic of those for sick building syndrome prompted mycological investigations of a modern multi-story office building on the Gulf coast in the Southeastern United States (Houston-Galveston area). The air handling units and fiberglass duct liner of the heating, ventilating and air conditioning system of the building, without a history of catastrophic or chronic water damage, demonstrated extensive colonization withPenicillium spp andCladosporium herbarum. Although dense fungal growth was observed on surfaces within the heating-cooling system, most air samples yielded fewer than 200 CFU m−3. Several volatile compounds found in the building air were released also from colonized fiberglass. Removal of colonized insulation from the floor receiving the majority of complaints of mouldy air and continuous operation of the units supplying this floor resulted in a reduction in the number of complaints.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570035
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Fungal colonization of synthetic substrates for use in space craft (1995)
    Springer
    Journal of industrial microbiology and biotechnology 14 (1995), S. 26-30 
    Details
    ISSN: 1476-5535
    Keywords: Fungal colonization ; Space craft materials ; Acremonium obclavatum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Materials being used or considered for use in space flight were examined for their susceptibility to fungal colonization. The materials included soft goods (clothing) and insulation and fabrication products such as Velcro® attachments and elastic cord binders. Materials were exposed for at least 28 days in a highhumidity chamber colonized with over 50 species of fungi, including those species recommended for determining recalcitrance of materials to fungal biodegradation. At least nine of 25 products demonstrated extensive microscopic colonization by fungi, mostly byAcremonium obclavatum. Challenge procedures that rely on observations with the unaided eye, or 40×magnification of growth by a restricted number of fungal species with a cellulosic substrate as a positive control, are insufficient for determining the resistance of synthetic substrates to fungal colonization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570062
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    Paper (German National Licenses)
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